{"id":1053,"date":"2015-11-05T11:14:52","date_gmt":"2015-11-05T04:14:52","guid":{"rendered":"http:\/\/prc.maiatech.com.vn\/?p=1053"},"modified":"2017-05-19T11:16:45","modified_gmt":"2017-05-19T04:16:45","slug":"mot-so-nguon-gen-ke-ngoc-trai-pennisetum-glaucum-dang-duoc-luu-giu-tai-trung-tam-tai-nguyen-thuc-vat","status":"publish","type":"post","link":"https:\/\/prc.org.vn\/?p=1053","title":{"rendered":"M\u1ed9t s\u1ed1 ngu\u1ed3n gen k\u00ea ng\u1ecdc trai (Pennisetum glaucum) \u0111ang \u0111\u01b0\u1ee3c l\u01b0u gi\u1eef t\u1ea1i Trung t\u00e2m T\u00e0i nguy\u00ean th\u1ef1c v\u1eadt"},"content":{"rendered":"\n\n\n
K\u00ea ng\u1ecdc trai (Pennisetum glaucum<\/em>) thu\u1ed9c h\u1ecd h\u00f2a th\u1ea3o Poaceae, c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb v\u00f9ng Sahel c\u1ee7a ch\u00e2u Phi, l\u00e0 m\u1ed9t trong nh\u1eefng lo\u1ea1i k\u00ea \u0111\u01b0\u1ee3c tr\u1ed3ng r\u1ed9ng r\u00e3i t\u1ea1i ch\u00e2u Phi v\u00e0 m\u1ed9t s\u1ed1 n\u01b0\u1edbc ch\u00e2u \u00c1 nh\u01b0 l\u00e0 \u1ea4n \u0110\u1ed9. K\u00ea ng\u1ecdc trai \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111a m\u1ee5c \u0111\u00edch, l\u00e0m l\u01b0\u01a1ng th\u1ef1c, l\u00e0m th\u1ee9c \u0103n trong ch\u0103n nu\u00f4i, th\u1eadm ch\u00ed m\u1ed9t s\u1ed1 v\u00f9ng c\u1ee7a \u1ea4n \u0110\u1ed9 c\u00f2n s\u1eed d\u1ee5ng trong y h\u1ecdc. Hi\u1ec7n nay v\u1eabn c\u00f3 h\u00e0ng tr\u0103m tri\u1ec7u ng\u01b0\u1eddi \u1edf c\u00e1c khu v\u1ef1c kh\u00e1c nhau \u1edf ch\u00e2u Phi c\u0169ng nh\u01b0 l\u00e0 \u1edf \u1ea4n \u0110\u1ed9 ph\u1ee5 thu\u1ed9c v\u00e0o k\u00ea ng\u1ecdc trai nh\u01b0 l\u00e0 ngu\u1ed3n l\u01b0\u01a1ng th\u1ef1c ch\u00ednh.<\/p>\n

\u1ede Vi\u1ec7t Nam c\u00f3 r\u1ea5t \u00edt t\u00e0i li\u1ec7u \u0111\u1ec1 c\u1eadp \u0111\u1ebfn k\u00ea ng\u1ecdc trai v\u00e0 c\u0169ng ch\u01b0a c\u00f3 nhi\u1ec1u nghi\u00ean c\u1ee9u v\u1ec1 lo\u00e0i k\u00ea n\u00e0y. N\u0103m 2012, Trung t\u00e2m Nghi\u00ean c\u1ee9u v\u00e0 Ph\u00e1t tri\u1ec3n N\u00f4ng l\u00e2m nghi\u1ec7p T\u00e2y B\u1eafc \u0111\u00e3 thu th\u1eadp \u0111\u01b0\u1ee3c 03 m\u1eabu ngu\u1ed3n gen k\u00ea ng\u1ecdc trai t\u1ea1i S\u01a1n La v\u00e0 hi\u1ec7n \u0111ang \u0111\u01b0\u1ee3c l\u01b0u gi\u1eef t\u1ea1i Ng\u00e2n h\u00e0ng gen c\u00e2y tr\u1ed3ng Qu\u1ed1c gia. N\u0103m 2014, B\u1ed9 m\u00f4n Nh\u00e2n gi\u1ed1ng v\u00e0 \u0111\u00e1nh gi\u00e1 ngu\u1ed3n gen, Trung t\u00e2m T\u00e0i nguy\u00ean th\u1ef1c v\u1eadt \u0111\u00e3 nh\u00e2n gi\u1ed1ng th\u00e0nh c\u00f4ng 03 ngu\u1ed3n gen n\u00e0y t\u1ea1i An Kh\u00e1nh \u2013 Ho\u00e0i \u0110\u1ee9c \u2013 H\u00e0 N\u1ed9i v\u00e0 b\u01b0\u1edbc \u0111\u1ea7u \u0111\u00e3 ti\u1ebfn h\u00e0nh m\u00f4 t\u1ea3, \u0111\u00e1nh gi\u00e1 m\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m n\u00f4ng sinh h\u1ecdc c\u1ee7a lo\u00e0i k\u00ea n\u00e0y.<\/p>\n\n\n\n
\u00a0<\/td>\n<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

M\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m n\u00f4ng sinh h\u1ecdc c\u1ee7a 3 ngu\u1ed3n gen k\u00ea ng\u1ecdc trai hi\u1ec7n \u0111ang l\u01b0u gi\u1eef t\u1ea1i Ng\u00e2n h\u00e0ng gen c\u00e2y tr\u1ed3ng Qu\u1ed1c gia<\/strong><\/p>\n

(\u0110\u00e1nh gi\u00e1 trong \u0111i\u1ec1u ki\u1ec7n tr\u1ed3ng t\u1ea1i An Kh\u00e1nh \u2013 Ho\u00e0i \u0110\u1ee9c \u2013 H\u00e0 N\u1ed9i n\u0103m 2014)<\/em><\/p>\n

 <\/p>\n\n\n\n\n\n\n\n
S\u1ed1 \u0111\u0103ng k\u00fd<\/strong><\/td>\nT\u00ean gi\u1ed1ng<\/strong><\/td>\nChi\u1ec1u cao c\u00e2y (cm)<\/strong><\/td>\n\u0110\u01b0\u1eddng k\u00ednh th\u00e2n (mm)<\/strong><\/td>\nD\u00e0i phi\u1ebfn l\u00e1 (cm)<\/strong><\/td>\nR\u1ed9ng phi\u1ebfn l\u00e1 (cm)<\/strong><\/td>\nTh\u1eddi gian sinh tr\u01b0\u1edfng (ng\u00e0y)<\/strong><\/td>\nKh\u1ed1i l\u01b0\u1ee3ng 1000 h\u1ea1t (g)<\/strong><\/td>\nN\u0103ng su\u1ea5t \u00f4 (kg\/10m2)<\/strong><\/td>\n<\/tr>\n
T14231<\/td>\nK\u00ea<\/td>\n454,4<\/td>\n7,02<\/td>\n64,32<\/td>\n3,18<\/td>\n180<\/td>\n9,07<\/td>\n0,5<\/td>\n<\/tr>\n
T14232<\/td>\nK\u00ea<\/td>\n475,8<\/td>\n7,8<\/td>\n69,8<\/td>\n3,54<\/td>\n184<\/td>\n8,52<\/td>\n0,6<\/td>\n<\/tr>\n
T14233<\/td>\nK\u00ea<\/td>\n467,8<\/td>\n10,6<\/td>\n67,9<\/td>\n4,36<\/td>\n187<\/td>\n9,19<\/td>\n0,7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

K\u00ea ng\u1ecdc trai l\u00e0 c\u00e2y th\u00e2n th\u1ea3o, m\u1ecdc th\u1eb3ng \u0111\u1ee9ng, th\u00e2n g\u1ed3m nhi\u1ec1u \u0111\u1ed1t, chi\u1ec1u cao 4 \u2013 5 m, \u0111\u01b0\u1eddng k\u00ednh th\u00e2n dao \u0111\u1ed9ng t\u1eeb 7\u201310mm. L\u00e1 h\u00ecnh ki\u1ebfm, m\u1ecdc \u0111\u1ed1i, d\u00e0i 50 \u2013 80cm, r\u1ed9ng 3\u20135 cm. Hoa nh\u1ecf s\u1eafp x\u1ebfp th\u00e0nh c\u1ee5m hoa h\u00ecnh tr\u1ee5 ho\u1eb7c h\u00ecnh n\u1ebfn, hoa th\u1ee5 ph\u1ea5n ch\u00e9o. H\u1ea1t h\u00ecnh l\u1ee5c gi\u00e1c, \u0111\u01b0\u1ee3c bao b\u1ecdc b\u1edfi m\u00e0y, h\u1ea1t d\u00e0i 2 \u2013 3mm m\u00e0u tr\u1eafng ng\u00e0 ho\u1eb7c x\u00e1m.<\/p>\n

C\u00e2y k\u00ea ng\u1ecdc trai c\u00f3 th\u1ec3 gieo tr\u1ed3ng t\u1eeb \u0111\u1ea7u th\u00e1ng 4 \u0111\u1ebfn \u0111\u1ea7u th\u00e1ng 6, kh\u1ea3 n\u0103ng sinh tr\u01b0\u1edfng ph\u00e1t tri\u1ec3n r\u1ea5t t\u1ed1t, \u00edt b\u1ecb s\u00e2u b\u1ec7nh t\u1ea5n c\u00f4ng g\u00e2y h\u1ea1i. Th\u1eddi gian sinh tr\u01b0\u1edfng kho\u1ea3ng 180 ng\u00e0y, n\u0103ng su\u1ea5t h\u1ea1t \u0111\u1ea1t kho\u1ea3ng 500 \u2013 700 kg\/ha, kh\u1ed1i l\u01b0\u1ee3ng 1000 h\u1ea1t \u0111\u1ea1t 8 \u2013 9g.<\/p>\n

\u0110\u00e2y l\u00e0 lo\u1ea1i c\u00e2y tr\u1ed3ng r\u1ea5t c\u00f3 ti\u1ec1m n\u0103ng trong t\u01b0\u01a1ng lai, \u0111\u1eb7c bi\u1ec7t trong nh\u1eefng khu v\u1ef1c m\u00e0 bi\u1ebfn \u0111\u1ed5i kh\u00ed h\u1eadu c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn l\u01b0\u1ee3ng m\u01b0a th\u1ea5t th\u01b0\u1eddng h\u01a1n v\u00ec k\u00ea ng\u1ecdc trai c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu h\u1ea1n r\u1ea5t cao. Ch\u00ednh v\u00ec v\u1eady, lo\u00e0i k\u00ea n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng s\u1ebd \u0111em l\u1ea1i l\u1ee3i \u00edch cho c\u00e1c khu v\u1ef1c th\u01b0\u1eddng b\u1ecb h\u1ea1n h\u00e1n \u1edf c\u00e1c n\u01b0\u1edbc ph\u00e1t tri\u1ec3n, trong \u0111\u00f3 c\u00f3 Vi\u1ec7t Nam, \u0111\u1ec3 thay th\u1ebf cho ng\u00f4 trong th\u1ee9c \u0103n ch\u0103n nu\u00f4i.<\/td>\n<\/tr>\n

Nguy\u1ec5n Th\u1ecb B\u00edch Th\u1ee7y<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

K\u00ea ng\u1ecdc trai (Pennisetum glaucum) thu\u1ed9c h\u1ecd h\u00f2a th\u1ea3o Poaceae, c\u00f3 ngu\u1ed3n g\u1ed1c t\u1eeb v\u00f9ng Sahel c\u1ee7a ch\u00e2u Phi, l\u00e0<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[22,35],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/1053"}],"collection":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1053"}],"version-history":[{"count":1,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/1053\/revisions"}],"predecessor-version":[{"id":1054,"href":"https:\/\/prc.org.vn\/index.php?rest_route=\/wp\/v2\/posts\/1053\/revisions\/1054"}],"wp:attachment":[{"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1053"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1053"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prc.org.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1053"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}